//#include "will_paginate"

namespace openproj {
namespace helper {
namespace PaginationHelper {
//   void pagination_links_full(paginator, options = {}) {
//    return unless paginator.total_entries > 0

//    pagination_options = default_options.merge(options)

//    content_tag(:div, class: "pagination") {
//      content = content_tag(:nav, pagination_entries(paginator, pagination_options),
//                            class: "pagination--pages")

//      if ( pagination_options[:per_page_links]) {
//        content << pagination_option_links(paginator, pagination_options)
//      }

//      content.html_safe
//    }
//  }

//   void pagination_option_links(paginator, pagination_options) {
//    option_links = pagination_settings(paginator,
//                                       pagination_options[:params]
//                                        .merge(safe_query_params(%w{filters sortBy expand})))

//    content_tag(:div, option_links, class: "pagination--options")
//  }

  //
  // Builds the pagination nav with pages and range
//   void pagination_entries(paginator, options) {
//    page_first = paginator.offset + 1
//    page_last = paginator.offset + paginator.length
//    total = paginator.total_entries

//    content_tag(:ul, class: "pagination--items") {
//      // will_paginate will return nil early when no pages available
//      content = will_paginate(paginator, options) || ""

//      range = "(#{page_first} - #{page_last}/#{total})"
//      content << content_tag(:li, range, class: "pagination--range", title: range)

//      content.html_safe
//    }
//  }

  //
  // Builds pagination options (range).
//   void pagination_settings(paginator, options) {
//    links = per_page_links(paginator, options)

//    if ( links.size > 1) {
//      label = I18n.t(:label_per_page)
//      content_tag(:ul, class: "pagination--items") {
//        content_tag(:li, label + ":", class: "pagination--label", title: label) + links
//      }
//    }
//  }

  //
  // Constructs the "n items per page" entries
  // determined from available options in the settings.
//   void per_page_links(paginator, options) {
//    Setting.per_page_options_array.inject("") { |html, n|
//      if ( n == paginator.per_page) {
//        html + content_tag(:li, n, class: "pagination--item -current")
//      else
//        link = link_to_content_update(n, options.merge(page: 1, per_page: n))
//        html + content_tag(:li, link.html_safe, class: "pagination--item")
//      }
//    }.html_safe
//  }

  // Returns page option used for pagination
  // based on:
  //  * offset
  //  * limit
  //  * page
  //  parameters.
  //  Preferes page over the other two and
  //  calculates page in it"s absence based on limit and offset.
  //  Return 1 if ( all else fails.) {

//   void page_param(options = params) {
//    page = if ( options[:page]) {

//             options[:page].to_i

//           } else if ( options[:offset] && options[:limit]) {

//             begin
//               // + 1 as page is not 0 but 1 based
//               options[:offset].to_i / per_page_param(options) + 1
//             rescue ZeroDivisionError
//               1
//             }

//           else

//             1

//           }

//    page > 0 ?
//      page :
//      1
//  }

  // Returns per_page option used for pagination
  // based on:
  //  * per_page session value
  //  * per_page options value
  //  * limit options value
  //  in that order
  //  Return smallest possible setting if all else fails.

//   void per_page_param(options = params) {
//    per_page_candidates = [options[:per_page].to_i, session[:per_page].to_i, options[:limit].to_i]

//    unless (union = per_page_candidates & Setting.per_page_options_array).empty?
//      session[:per_page] = union.first

//      union.first
//    else
//      Setting.per_page_options_array.sort.first
//    }
//  }

  class LinkRenderer {//: public WillPaginate::ActionView::LinkRenderer {
  public:
     void to_html() {
//      pagination.inject("") { |html, item|
//        html + (item.is_a?(Integer) ? page_number(item) : send(item))
//      }.html_safe
    }

    protected:

//     void page_number(page) {
//      if ( page == current_page) {
//        tag(:li, page, class: "pagination--item -current")
//      else
//        tag(:li, link(page, page), class: "pagination--item")
//      }
//    }

     void gap() {
//      tag(:li, "&#x2026;", class: "pagination--space")
    }

     void previous_page() {
//      num = this->collection.current_page > 1 && this->collection.current_page - 1
//      previous_or_next_page(num, I18n.t(:label_previous), "-prev")
    }

     void next_page() {
//      num = this->collection.current_page < total_pages && this->collection.current_page + 1
//      previous_or_next_page(num, I18n.t(:label_next), "-next")
    }

//     void previous_or_next_page(page, text, classname) {
//      if ( page) {
//        tag(:li, link(text, page), class: "pagination--item " + classname)
//      else
//        ""
//      }
//    }
  };

//  private:

//   void default_options() {
//    {
//      renderer: LinkRenderer,
//      per_page_links: true,
//      params: {}
//    }
//  }
}
}
}
